20444648

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5449}}^1$

素因数の和:5529

約数の個数: 32

約数和(自身を含む): 44472000

約数和(自身を除く): 24027352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5449, 10898, 21796, 38143, 43592, 76286, 152572, 305144, 365083, 730166, 1460332, 2555581, 2920664, 5111162, 10222324, 20444648]

約数ペア:

[(1, 20444648), (2, 10222324), (4, 5111162), (7, 2920664), (8, 2555581), (14, 1460332), (28, 730166), (56, 365083), (67, 305144), (134, 152572), (268, 76286), (469, 43592), (536, 38143), (938, 21796), (1876, 10898), (3752, 5449)]